Prenatal Support Stack
This overlaps heavily with the fertility stack — pregnancy just raises the stakes and the doses. If you're already using our Maternity Companion, this is the nutrition side of that same picture. Rather than a shopping list of separate ingredient bottles, our actual protocol is built around one full prenatal multivitamin as the base, plus a couple of targeted add-ons — read the notes below on the iron and vitamin D3 add-ons especially, since stacking those on top of an already-complete prenatal by default is a real, avoidable overdose risk, not just a “more can't hurt” situation.
Prenatal multivitamin
We use: Thorne Basic Prenatal3 capsules/day — split as 2 with breakfast and 1 with dinner if you notice nausea taking them all at onceCovers your baseline folate (1.7mg DFE, as active L-methylfolate), iron (45mg), vitamin D3 (1,000 IU), vitamin B12 (200mcg methylcobalamin), and choline (110mg) in one product. Methylfolate is the pre-converted, active form of folate — theoretically equivalent to folic acid for neural-tube-defect prevention and increasingly preferred (especially if you carry an MTHFR gene variant), though the original landmark prevention trials specifically used folic acid, not methylfolate, so it's a reasonable but not identical substitution.
Choline (additional)
We use: Ritual Natal Choline2 capsules/day (550mg), on top of what your prenatal multivitamin already providesCholine is increasingly recognized as important for fetal brain development and is one of the most under-consumed nutrients in pregnancy — even a full-dose prenatal multivitamin like the one above (110mg) falls well short of the ~450mg target on its own, so a dedicated choline product is a reasonable, common addition. Combined total (~660mg/day) is well under the 3,500mg/day upper limit.
DHA
We use: Nordic Naturals Prenatal DHA2 softgels/day (200–300 mg DHA total)Supports fetal brain and eye development throughout pregnancy. This specific product also contains 400 IU of vitamin D3 — worth accounting for if you're considering the separate vitamin D3 add-on below, so you don't stack more than you need.
Extra iron — only if your labs call for it
We use: Nutra BioGenesis Iron 65mg (ferrous sulfate)1 capsule/day, but only start this if bloodwork actually shows you need more iron than your prenatal multivitamin already providesYour prenatal multivitamin above already provides a full prenatal iron dose (commonly 18–45mg, depending on brand). Adding a therapeutic-strength supplement like this one — 65mg elemental iron — on top by default can push your total well past the 45mg/day tolerable upper limit for adults, pregnancy included. This dose is meant for confirmed iron-deficiency anemia, diagnosed by your provider with labs, not a routine addition to an already-complete prenatal. If your levels come back fine, skip this one.
Extra vitamin D3 — only if your labs call for it
We use: Pure Encapsulations Vitamin D3 1,000IU1 capsule/day, only on top of your prenatal + DHA if your provider confirms you need more based on bloodworkBetween a full-dose prenatal multivitamin and a DHA softgel that also contains vitamin D3, many people are already getting 1,000–1,400 IU/day before adding anything extra. That's not dangerous on its own (the upper limit is 4,000 IU/day), but there's no reason to add this reflexively — check your level first rather than stacking a third D3 source by default.
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Worth knowing
Don't start, stop, or combine supplements during pregnancy without your OB's input — this is the one category where “more can't hurt” is genuinely not true. Iron is the one to watch most closely: a full prenatal multivitamin, plus a separate iron supplement, plus a fortified diet can add up to more than is safe without anyone intending it to — always confirm with labs before adding extra iron or vitamin D3 on top of your baseline prenatal, rather than assuming more of either is automatically better.
These statements have not been evaluated by the Food and Drug Administration. Supplements are not intended to diagnose, treat, cure, or prevent any disease. This is educational information, not a personalized recommendation — talk to your provider before starting anything new, especially alongside medications or if you’re pregnant, breastfeeding, or managing a health condition.